*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#F6EDE4;color:#2A241C;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-60px;z-index:200;background:#1A1612;color:#FFF8F2;padding:8px 12px}.skip-link:focus{top:8px}.top-edge{position:fixed;z-index:100;top:0;left:0;right:0;height:20px;background:#1A1612;color:#F6EDE4;font-size:12px}.top-edge-inner,.site-head-inner,.quick-nav-inner,.footer-inner{max-width:960px;margin:0 auto}.top-edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.text-control{border:0;background:transparent;color:#F6EDE4;padding:0 4px;min-height:20px;cursor:pointer}.site-head{position:fixed;z-index:99;top:20px;left:0;right:0;height:54px;background:#FFF8F2;border-bottom:1px solid rgba(224,112,48,.5)}.site-head-inner{height:54px;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.brand-home{min-width:44px;min-height:44px;display:flex;align-items:center}.brand-logo,.menu-logo,.footer-logo{height:24px;width:auto;max-width:132px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:#1A1612}.head-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-trigger,.close-control{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;padding:0 14px;font-size:14px;cursor:pointer}.app-link{border:1px solid #E07030;background:#FFF8F2}.menu-trigger{border:1px solid #1A1612;background:#1A1612;color:#FFF8F2}.quick-nav{position:fixed;z-index:98;top:74px;left:0;right:0;height:46px;background:#FFF8F2;border-bottom:1px solid rgba(26,22,18,.12)}.quick-nav-inner{height:46px;padding:0 16px;display:flex;align-items:center;gap:24px}.quick-item{display:flex;align-items:center;gap:8px;min-height:44px;font-size:13px}.quick-square{width:18px;height:18px;border-radius:2px;border:1px solid #1A1612;background:#FFF8F2}.quick-item.is-current .quick-square{background:#E07030;border-color:#E07030}.site-main{max-width:960px;margin:0 auto;padding:150px 16px 68px}h1,h2,h3{color:#1A1612;margin:0 0 12px;line-height:1.3}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 14px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#7A7068}.lead{font-size:16px;max-width:760px}.hero,.section-block,.policy-block,.method-block,.status-block,.topic-card,.faq-item,.contact-card{margin-bottom:24px}.hero{padding:28px;background:#FFF8F2;border:1px solid rgba(26,22,18,.12);box-shadow:0 12px 28px rgba(26,22,18,.10)}.index-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.index-chips span{padding:4px 10px;background:#E07030;color:#FFF8F2;border-radius:3px;font-size:13px}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.btn-primary,.btn-secondary{min-height:42px;padding:0 16px;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.btn-primary{background:linear-gradient(135deg,#1A1612 0%,#E07030 100%);color:#FFF8F2}.btn-secondary{background:#FFF8F2;border:1px solid #E07030;color:#1A1612}.btn-primary:hover,.btn-secondary:hover,.quick-item:hover,.site-footer a:hover{text-decoration:underline}.btn-primary:focus-visible,.btn-secondary:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(224,112,48,.5);outline-offset:2px}.media-slot{background:#FFF8F2;border:1px solid rgba(26,22,18,.12);min-height:130px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;object-position:center}.slot-wide{min-height:176px}.slot-app{height:320px}.slot-banner{height:200px}.slot-icon{width:64px;height:64px;min-height:64px}.slant-record{display:grid;grid-template-columns:minmax(220px,300px) 1fr;gap:24px;align-items:center;padding:22px;background:#F0E4D6;clip-path:polygon(0 0,100% 0,97% 100%,0 100%)}.slant-record .media-slot{height:176px}.dual-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dual-card{padding:20px;background:#FFF8F2;border-top:4px solid #E07030;border-left:1px solid rgba(26,22,18,.12);border-right:1px solid rgba(26,22,18,.12);border-bottom:1px solid rgba(26,22,18,.12)}.rolled-pages{display:grid;grid-template-columns:1fr 1fr;gap:18px}.rolled-page{padding:22px 24px;background:#FFF8F2;border:1px solid rgba(26,22,18,.12);box-shadow:8px 8px 0 #E8D8C8}.shelf-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.shelf-card{padding:20px;background:#F0E4D6;border:1px solid rgba(26,22,18,.12)}.period-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;border:1px solid rgba(26,22,18,.12)}.period-strip article{padding:20px;background:#FFF8F2;border-right:1px solid rgba(26,22,18,.12)}.period-strip article:last-child{border-right:0}.timeline-status{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:14px 16px;background:#FFF8F2;border-left:4px solid #E07030}.app-split{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:26px;align-items:center}.app-copy{padding:22px;background:#FFF8F2}.app-mark{display:flex;align-items:center;gap:12px;margin-bottom:16px}.reading-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.reading-points article{padding:18px;background:#FFF8F2;border:1px solid rgba(26,22,18,.12)}.mini-faq{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mini-faq article{padding:16px;background:#F0E4D6}.brand-intro{padding:24px;background:#1A1612;color:#F6EDE4}.brand-intro h2{color:#FFF8F2}.page-intro{margin-bottom:22px;padding-bottom:18px;border-bottom:2px solid #E07030}.page-intro p{max-width:790px}.orange-index{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 18px}.orange-index span{background:#E07030;color:#FFF8F2;padding:6px 10px;border-radius:2px}.single-column{display:grid;gap:16px}.single-column article{padding:20px 0;border-bottom:1px solid rgba(26,22,18,.12)}.memo-list{counter-reset:memo}.memo-list article{position:relative;padding:18px 18px 18px 64px;margin-bottom:12px;background:#FFF8F2;border:1px solid rgba(26,22,18,.12)}.memo-list article:before{counter-increment:memo;content:counter(memo);position:absolute;left:18px;top:18px;width:30px;height:30px;background:#1A1612;color:#FFF8F2;display:flex;align-items:center;justify-content:center;border-radius:3px}.method-flow{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.method-flow>div{padding:22px;background:#FFF8F2;border:1px solid rgba(26,22,18,.12)}.topic-list{display:grid;gap:10px}.topic-card{padding:18px;background:#FFF8F2;border-left:5px solid #B06030}.center-card-wrap{display:grid;place-items:center;gap:18px}.center-card{max-width:720px;width:100%;padding:26px;background:#FFF8F2;border:1px solid rgba(224,112,48,.5);text-align:center}.policy-stack{display:grid;gap:16px}.policy-block{padding:20px;background:#FFF8F2;border-top:3px solid #1A1612}.help-grid,.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-grid article,.contact-card{padding:20px;background:#FFF8F2;border:1px solid rgba(26,22,18,.12)}.faq-list{display:grid;gap:14px}.faq-item{padding:20px;background:#FFF8F2;border-left:4px solid #E07030}.faq-item h2{font-size:16px}.about-banner{margin-bottom:22px}.about-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.about-steps article{padding:18px;background:#F0E4D6}.site-footer{background:#1A1612;color:#F6EDE4;border-top:1px solid #E07030;font-size:13px}.footer-inner{padding:28px 16px 82px}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}.footer-brand strong{font-size:16px}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.footer-groups h2{color:#FFF8F2;font-size:13px;margin-bottom:8px}.footer-groups a{display:block;color:#F6EDE4;margin:4px 0;min-height:26px}.footer-note{margin-top:20px;color:#E8D8C8}.copyright{color:#E8D8C8;margin-bottom:0}.overlay{position:fixed;inset:0;z-index:120;background:rgba(26,22,18,.45);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.menu-card{position:fixed;z-index:130;top:34px;left:50%;transform:translate(-50%,-14px);width:320px;max-height:360px;overflow:auto;background:#FFF8F2;border:1px solid rgba(224,112,48,.5);box-shadow:0 12px 28px rgba(26,22,18,.10);visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.menu-card.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translate(-50%,0)}.menu-card-head{position:sticky;top:0;background:#FFF8F2;display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid rgba(26,22,18,.12)}.menu-card-brand{display:flex;align-items:center;gap:8px}.close-control{background:#FFF8F2;border:1px solid #1A1612;color:#1A1612}.menu-groups{padding:10px 12px}.menu-groups section{margin-bottom:12px}.menu-groups h2{font-size:13px;margin-bottom:6px;color:#5A5048}.menu-groups a{display:grid;grid-template-columns:70px 1fr;gap:8px;padding:7px 0;border-bottom:1px solid rgba(26,22,18,.08)}.menu-groups b{font-size:14px}.menu-groups span{font-size:12px;color:#5A5048}.search-panel{position:fixed;z-index:131;top:74px;left:50%;transform:translateX(-50%);width:min(620px,calc(100% - 32px));padding:18px;background:#FFF8F2;border:1px solid rgba(224,112,48,.5);box-shadow:0 12px 28px rgba(26,22,18,.10);visibility:hidden;opacity:0;pointer-events:none}.search-panel.is-open{visibility:visible;opacity:1;pointer-events:auto}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.search-panel label{display:block;margin-bottom:6px}.search-panel input{width:100%;min-height:44px;border:1px solid rgba(26,22,18,.25);background:#FFF8F2;color:#1A1612;padding:0 12px}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-links a{min-height:40px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid #E07030;background:#FFF8F2}.mobile-bar{display:none}.page-pianmian .site-main{max-width:900px}.page-pianbu .site-main{max-width:920px}.page-pianci .site-main{max-width:780px}.page-pianzhuan .site-main{max-width:860px}.page-pianjia .site-main{max-width:820px}.page-privacy .policy-block:nth-child(even),.page-banquan .policy-block:nth-child(even),.page-grade .policy-block:nth-child(even){background:#F0E4D6}
@media(max-width:720px){.quick-nav{display:none}.site-main{padding-top:104px;padding-bottom:84px}.head-actions{gap:4px}.app-link,.menu-trigger{padding:0 10px}.dual-cards,.rolled-pages,.shelf-pair,.reading-points,.mini-faq,.help-grid,.contact-grid,.footer-groups,.about-steps{grid-template-columns:1fr}.slant-record,.app-split,.method-flow{grid-template-columns:1fr;clip-path:none}.slant-record .media-slot{height:176px}.period-strip{grid-template-columns:1fr}.period-strip article{border-right:0;border-bottom:1px solid rgba(26,22,18,.12)}.period-strip article:last-child{border-bottom:0}.status-row{grid-template-columns:1fr}.menu-card{width:88%;max-height:360px}.search-panel{inset:20px 0 0 0;transform:none;width:100%;height:calc(100% - 20px);background:#1A1612;color:#F6EDE4;border:0}.search-panel .close-control,.search-panel input,.search-links a{background:#1A1612;color:#F6EDE4;border-color:#E07030}.mobile-bar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:110;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#FFF8F2;border-top:1px solid rgba(26,22,18,.12)}.mobile-bar a{display:flex;align-items:center;justify-content:center;min-height:48px}.mobile-bar a.is-current{background:#E07030;color:#1A1612}.footer-inner{padding-bottom:92px}.hero{padding:22px 18px}}